: on display are the guns lawmakers want banned, including the type of gun used inthesandyhookelementary school shooting. president obama supports a assault weapons ban. including mothers. >> when kids can't feel safe at school, it is time to put their safety above politics, above profits and enact legislation. >> reporter: dianne feinstein says passing the bills will be challenging. >> reporter: what will you do to get them on your side? >> well, it has to be the people of america. red state or a blue state. somebody picks up the phone and calls their representatives. >> reporter: supporters say the bills would protect gun owners by excluding rifles. the national rifle association says the bill is disappointing but not surprising and americans know bans does not work. the nra is confidence washington will reject the bill. >>> vice president joe biden used a chat on google to throw his support behind the assault weapons ban. >> police organizations support it because they get out gunned. they are out gunned on the street. >> joe biden said the violence in america is from gang bangers, th